CoreOS Kernel Engineer

Company: Apple Inc.
Location: Santa Clara
Posted on: March 10, 2023

Job Description:

Are you a big-picture thinker who loves setting ambitious goals? Do you have a passion for understanding how each line of code affects all the others? In the Core Operating Systems group, you'll ensure the OS is inseparable from each device's identity as a whole. That's because this group is committed to building fully integrated operating systems that combine hardware, software, and apps into a single Apple experience. Your dedication to cross-disciplinary collaboration will help develop groundbreaking technologies, such as iOS, macOS, watchOS, and tvOS. By crafting these distinct, holistic user experiences, you'll continue to uphold and advance the excellence people expect from Apple devices. The Darwin Scheduler team within Apple's CoreOS organization is responsible for delivery of a high-quality and performant kernel into just about every one of Apple's products. Our software runs on your wrist as part of watchOS; in your pocket with iOS; on your desk in macOS; in your living room with tvOS; on the devices owned by your friends and family; and hundreds of millions of devices beyond those.The team focuses on key kernel technology areas such as CPU scheduling, power management and threading models which are key to delivering great performance and battery life across all Apple devices. This position requires a solid understanding of operating systems fundamentals, including kernel design and implementation. We deal in all of the traditional kernel subsystems, e.g. virtual memory, scheduling, IPC, etc, and also serve as expert system sleuths up and down the entire Apple stack. Our company is one of the last vertically integrated systems shops remaining, and as such our engineers have the unique opportunity to roam the system freely, from iOS silicon design all the way up to Apps and the cloud. Key Qualifications

• Solid understanding of Operating Systems
• Basic understanding of CPU scheduling, power & performance management
• Basic computer architecture and SoC Design Description Work with a highly skilled engineering team in the design, implementation and support of kernel technologies specifically focused around CPU management. The role includes interacting with cross-functional teams across Apple to analyze performance and power issues and identify optimization opportunities. Engineers also use various debugging tools and techniques to identify system issues and improve quality. Education & Experience BS/MS in Computer Science or equivalent knowledge and experience Additional Requirements
  • - iOS or macOS exposure
  • - UNIX
  • - Virtual memory & IPC
  • - lldb and DTrace
  • - UNIX scripting and shells
  • At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $130,000 and $242,000, and your base pay will depend on your skills, qualifications, experience, and location.
    
    Apple employees also have the opportunity to become an Apple shareholder through participation in Apple's discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple's Employee Stock Purchase Plan. You'll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses - including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits.
    
    Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

Keywords: Apple Inc., Santa Clara , CoreOS Kernel Engineer, Engineering , Santa Clara, California